#1F2BA5#1F2BA5

#1F2BA5 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.8% C 0.191 H 269.2°. Best body text is #FFFFFF at 10.78:1 contrast (WCAG AA passes).

Color values

HEX	#1F2BA5
RGB	rgb(31, 43, 165)
HSL	hsl(235, 68%, 38%)
HSV	hsv(235, 81%, 65%)
CMYK	cmyk(81.2%, 73.9%, 0%, 35.3%)
CIE-LAB	lab(25.97, 40.21, -66.03)
CIE-LCH	lch(25.97, 77.31, 301.34°)
OKLab	oklab(37.85% -0.0027 -0.1913)
OKLCH	oklch(37.85% 0.191 269.2)
XYZ	xyz(8.2182, 4.7347, 36.0708)
Luminance	0.0474 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2BA5 #A5991F

analogous

#1F6EA5 #1F2BA5 #561FA5

triadic

#1F2BA5 #A51F2B #2BA51F

tetradic

#1F2BA5 #A51F6E #A5991F #1FA556

square

#1F2BA5 #A51F6E #A5991F #1FA556

split-complementary

#1F2BA5 #A5561F #6EA51F

monochromatic

#0C103E #151E71 #1F2BA5 #2A3AD7 #5E69E1

Accessibility & contrast

On white

10.78

#1F2BA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#1F2BA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2BA5

10.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2BA5	#FFFFFF	#000000	##FFFFFF
##1F2BA5	1.00	10.78	1.95	10.78
#FFFFFF	10.78	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A9

Deuteranopia (green-blind)

#0037A3

Tritanopia (blue-blind)

#004E65

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1f2ba5;
/* rgb */ color: rgb(31, 43, 165);
/* oklch */ color: oklch(37.8% 0.191 269.2);

Tailwind

colors: {
  custom: {
    50: '#7465c1',
    500: '#1f2ba5',
    950: '#000000',
  },
}

SCSS

$custom: #1f2ba5;
$custom-light: #7465c1;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2ba5",
  "rgb": {
    "r": 31,
    "g": 43,
    "b": 165
  },
  "hsl": {
    "h": 234.627,
    "s": 68.367,
    "l": 38.431
  },
  "oklch": {
    "l": 0.37845,
    "c": 0.19133,
    "h": 269.2
  },
  "luminance": 0.04736
}

Semantic roles & 50–950 ramp

primary

#1F2BA5

secondary

#C5BC5B

accent

#DC3DEB

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #1F2BA5

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →